regional_part_of Anterior interventricular branch of left coronary artery Zone of anterior interventricular branch of left coronary artery Zone 16a of anterior interventricular branch of left coronary artery Apical inferior zone 2 of anterior interventricular branch of left coronary artery FMA:87223 Zone of anterior interventricular branch of left coronary artery which supplies the apical inferior zone of myocardium of left ventricle and is continuous with zone 14 of anterior interventricular branch of left coronary artery. fma